var FMFPround10 = Class.create();
FMFPround10.prototype = {
	initialize: function () {
	},

    /**
     * Decimal adjustment of a number.
     *
     * @param {String}  type  The type of adjustment.
     * @param {Number}  value The number.
     * @param {Integer} exp   The exponent (the 10 logarithm of the adjustment base).
     * @returns {Number} The adjusted value.
     */
	decimalAdjust: function (type, value, exp) {
		
		// If the exp is undefined or zero...
		if (typeof exp === 'undefined' || +exp === 0) {
			return Math[type](value);
		}

		value = +value;
		exp = +exp; 
		
		// If the value is not a number or the exp is not an integer...
		if (isNaN(value) || !(typeof exp === 'number' && exp % 1 === 0)) {
			return NaN;
		} 
		
		// Shift
		value = value.toString().split('e');
		value = Math[type](+(value[0] + 'e' + (value[1] ? +value[1] - exp : -exp))); 
		
		// Shift back
		value = value.toString().split('e');
		return +(value[0] + 'e' + (value[1] ? +value[1] + exp : exp));
	},


	round10: function (value, exp) {
		return this.decimalAdjust('round', value, exp);
	},
	floor10: function (value, exp) {
		return this.decimalAdjust('floor', value, exp);
	},
	ceil10: function (value, exp) {
		return this.decimalAdjust('ceil', value, exp);
	},


	polyfill: function () {
		
		// Decimal round
		if (!Math.round10) {
			Math.round10 = module.exports.round10;
		} 
		
		// Decimal floor
		if (!Math.floor10) {
			Math.floor10 = module.exports.floor10;
		} 
		
		// Decimal ceil
		if (!Math.ceil10) {
			Math.ceil10 = module.exports.ceil10;
		}
	},

	type: 'FMFPround10'
};